5be0616e78
- 支持提供商级别和渠道级别手续费率配置（FEE_RATE_PROVIDER_* / FEE_RATE_*） - 用户多付手续费，到账金额不变（充值 ¥100 + 1.6% = 实付 ¥101.60） - 前端显示手续费明细和实付金额 - 退款时按实付金额退款，余额扣减到账金额
42 lines
1.3 KiB
TypeScript
42 lines
1.3 KiB
TypeScript
import type { PaymentProvider, PaymentType, MethodDefaultLimits } from './types';
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export class PaymentProviderRegistry {
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private providers = new Map<PaymentType, PaymentProvider>();
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register(provider: PaymentProvider): void {
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for (const type of provider.supportedTypes) {
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this.providers.set(type, provider);
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}
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}
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getProvider(type: PaymentType): PaymentProvider {
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const provider = this.providers.get(type);
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if (!provider) {
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throw new Error(`No payment provider registered for type: ${type}`);
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}
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return provider;
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}
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hasProvider(type: PaymentType): boolean {
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return this.providers.has(type);
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}
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getSupportedTypes(): PaymentType[] {
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return Array.from(this.providers.keys());
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}
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/** 获取指定渠道的提供商默认限额（未注册时返回 undefined） */
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getDefaultLimit(type: string): MethodDefaultLimits | undefined {
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const provider = this.providers.get(type as PaymentType);
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return provider?.defaultLimits?.[type];
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}
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/** 获取指定渠道对应的提供商 key（如 'easypay'、'stripe'） */
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getProviderKey(type: string): string | undefined {
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const provider = this.providers.get(type as PaymentType);
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return provider?.providerKey;
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}
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}
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export const paymentRegistry = new PaymentProviderRegistry();
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